<template>
  <div
    class="data-card"
    @click.stop="onTableClick"
    @dblclick="onDblClick"
    style="background: white;"
  >
    <van-image class="data-card-image"
      v-if="options.seriesSetting.icon"
      :src="options.seriesSetting.icon"
      :style="getDataCardImageStyle"
    />
    <div class="data-card-title" :style="getMainTextStyle">
      {{ getDataString("mainTextColumn", "卡片标题", dataObject) }}
    </div>
    <div class="data-card-number" :style="getNumTextStyle">
      {{ getDataString("numTextColumn", "", dataObject) }}
    </div>
    <div class="data-card-footer" v-if="isShowFootText || isShowFootNum">
      <span v-if="isShowFootText" :style="getFootTextStyle">
        {{ getDataString("footTextColumn", "", dataObject) }}
      </span>
      <span v-if="isShowFootNum" :style="getFootNumTextStyle">
        <span
          class="iconfont"
          v-if="getFooterNumIcon !== ''"
          :class="getFooterNumIcon"
        />
        {{ getShowFooterNumText }}
      </span>
    </div>
  </div>
</template>

<script>
import chartMixins from './chartMixins.js';

export default {
  name: 'dataCard',
  props: {
    // 透视表数据
    data: {
      type: [Object, Array]
    },
    // 透视表高度
    height: {
      type: String
    },
    // 透视表设置
    options: {
      type: Object
    },
    widget: {
      type: Object
    }
  },
  mixins: [chartMixins],
  components: {},
  data () {
    return {};
  },
  methods: {
    onTableClick () {
      this.$emit('click');
    },
    onDblClick () {
      this.$emit('dblclick', this.dataObject);
    },
   
    getTextStyle (textStyleName) {
      return {
        ...this.options.seriesSetting[textStyleName],
        fontStyle: this.options.seriesSetting[textStyleName].italics
          ? 'italic'
          : undefined,
        fontWeight: this.options.seriesSetting[textStyleName].bold
          ? 'bold'
          : undefined,
        fontSize: this.options.seriesSetting[textStyleName].fontSize + 'px'
      };
    }
  },
  computed: {
    getTitleStyle () {
      if (this.options == null || this.options.title == null) return undefined;
      return {
        color: this.options.title.textStyle.color,
        'font-size': this.options.title.textStyle.fontSize + 'px',
        'font-weight': this.options.title.bold ? 600 : undefined,
        'text-align': this.options.title.left,
        'font-style': this.options.title.italics ? 'italic' : undefined
      };
    },
    isShowFootText () {
      return (
        this.options.datasetInfo.footTextColumn &&
        this.options.datasetInfo.footTextColumn.length > 0
      );
    },
    isShowFootNum () {
      return (
        this.options.datasetInfo.footNumTextColumn &&
        this.options.datasetInfo.footNumTextColumn.length > 0
      );
    },
    getMainTextStyle () {
      return this.getTextStyle('mainTextStyle');
    },
    getNumTextStyle () {
      return this.getTextStyle('numTextStyle');
    },
    getFootTextStyle () {
      return this.getTextStyle('footTextStyle');
    },
    getFootNumTextStyle () {
      return {
        ...this.getTextStyle('footNumTextStyle'),
        color: this.getFooterNumIcon === 'el-icon-top-right' ? '#00A241' : '#EF502F'
      }
    },
    getFooterNumIcon () {
      if (!isNaN(this.getFooterNumText)) {
        // 如果是数字
        if (this.getFooterNumText >= 0) {
          return 'el-icon-top-right';
        } else {
          return 'el-icon-bottom-left';
        }
      } else {
        return '';
      }
    },
    getFooterNumText () {
      let numText = this.getDataString('footNumTextColumn', '', this.dataObject);
      if (!isNaN(numText)) {
        return Number(numText);
      } else {
        return numText;
      }
    },
    getShowFooterNumText () {
      if (!isNaN(this.getFooterNumText)) {
        return Math.abs(this.getFooterNumText);
      } else {
        return this.getFooterNumText;
      }
    },
    getDataCardImageStyle () {
      return {
        height: this.options.seriesSetting.iconSize + 'px',
        width: this.options.seriesSetting.iconSize + 'px',
        borderRadius: this.options.seriesSetting.iconRadius + 'px'
      }
    }
  }
};
</script>

<style scoped>
  .data-card {
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 110px;
    cursor: pointer;
  }

  .data-card-number {
    line-height: 2.0;
    text-align: left;
    flex-grow: 1;
    flex-shrink: 0;
    height: 40px;
  }

  .data-card-title {
    flex-grow: 0;
    flex-shrink: 0;
  }

  .data-card-footer {
    flex-grow: 0;
    flex-shrink: 0;
    border-top: 1px solid #E8E8E8;
    padding-top: 10px;
    display: flex;
    justify-content: space-between;
  }

  .data-card-image {
    position: absolute;
    top: 0px;
    right: 0px;
  }
</style>
